CVE-2025-68012
Published: 22 January 2026
Summary
CVE-2025-68012 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 20.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2025-68012 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Stored Cross-Site Scripting (XSS) under CWE-79, in the CodeColorer WordPress plugin developed by Dmytro Shteflyuk. The flaw affects all versions of CodeColorer up to and including 0.10.1, allowing malicious scripts to be stored and executed in the context of the affected site.
Attackers require no privileges (PR:N) and can exploit this over the network (AV:N) with low complexity (AC:L), though it demands user interaction (UI:R), such as viewing a page with the injected content. Successful exploitation changes the scope (S:C), enabling limited impacts on confidentiality, integrity, and availability (C:L/I:L/A:L), with an overall CVSS v3.1 base score of 7.1. This could allow attackers to steal session cookies, perform phishing, or execute scripts in victims' browsers when they interact with tainted content like code snippets.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/codecolorer/vulnerability/wordpress-codecolorer-plugin-0-10-1-stored-cross-site-scripting-xss-vulnerability?_s_id=cve details the vulnerability in the WordPress CodeColorer plugin version 0.10.1 and provides information on mitigation, including recommendations to update the plugin.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-4034
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Dmytro Shteflyuk CodeColorer codecolorer allows Stored XSS.This issue affects CodeColorer: from n/a through <= 0.10.1.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Stored XSS in public-facing WordPress plugin directly enables T1190 exploitation over the network; facilitates arbitrary JavaScript execution (T1059.007) and browser session hijacking via cookie theft (T1185).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly requires validation and neutralization of untrusted input before it is stored and rendered in web pages, preventing the stored XSS payload from being accepted.
Requires filtering or encoding of information on output, which would sanitize stored code snippets before they are emitted as HTML and executed in victims' browsers.
Mandates timely remediation of known flaws such as the CodeColorer <=0.10.1 XSS vulnerability, eliminating the root cause via plugin update.